diff --git a/package.json b/package.json
index 3ba18b7..88cd737 100644
--- a/package.json
+++ b/package.json
@@ -18,9 +18,9 @@
     "async": "^1.0.0"
   },
   "devDependencies": {
-    "chai": "^2.0",
+    "chai": "^3.0",
     "coveralls": "^2.11.1",
-    "eslint": "^0.17.0",
+    "eslint": "^0.23.0",
     "istanbul": "^0.3.5",
     "jsdom": "^3.0",
     "mocha": "^2.0",